23440012066 has 8 divisors (see below), whose sum is σ = 35162748864. Its totient is φ = 11719095780.

The previous prime is 23440012039. The next prime is 23440012153. The reversal of 23440012066 is 66021004432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422470 + ... + 474721.

It is an arithmetic number, because the mean of its divisors is an integer number (4395343608).

Almost surely, 2^23440012066 is an apocalyptic number.

23440012066 is a deficient number, since it is larger than the sum of its proper divisors (11722736798).

23440012066 is a wasteful number, since it uses less digits than its factorization.

23440012066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910256.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 23440012066 its reverse (66021004432), we get a palindrome (89461016498).

The spelling of 23440012066 in words is "twenty-three billion, four hundred forty million, twelve thousand, sixty-six".